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ISRO Technician-B
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ISRO Technician-B Electrician 2019
40

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

40) Degaussing is the process of

Elimination of remnant magnetic field

Remagnetising metallic part

Removing nonmagnetic impurities from magnetic material

Removing trapped gas from magnetic material

Answer is:

Elimination of remnant magnetic field

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

41) Distribution transformer has maximum efficiency around

Near full load

Near no load

50% load

None of the above

Answer is:

50% load

42) The ratio of collector current to emitter current of a transistor is 0.99. What is the ratio of collector current to base current?

100

99

101

None of the above

Answer is:

99

43) Internal resistance of a galvanometer is 1 Ohm. A resistor ( R) and a voltage source of 10V are connected in series to the galvanometer to make an ohm meter. Full scale deflection of the galvanometer corresponds to 1 mA. What is the value of the resistance

9999 Ohm

10000 Ohm

999 Ohm

1000 Ohm

Answer is:

9999 Ohm

44) What is the peak to peak voltage of 250V AC?

500V

707V

353V

None of the above

Answer is:

707V

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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